linux-kernel - Re: [PATCH v2 2/4] mfd: max77686: Use of_device_get_match

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Message-ID: <20170113140929.fnzeh2amb2rkjfkw@kozik-lap>
Date:   Fri, 13 Jan 2017 16:09:29 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Javier Martinez Canillas <javier@....samsung.com>
Cc:     linux-kernel@...r.kernel.org,
        Laxman Dewangan <ldewangan@...dia.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Lee Jones <lee.jones@...aro.org>
Subject: Re: [PATCH v2 2/4] mfd: max77686: Use of_device_get_match_data()
 helper

On Fri, Jan 13, 2017 at 10:34:06AM -0300, Javier Martinez Canillas wrote:
> Use the generic helper to get the matched of_device_id .data, instead of
> open coding it.
> 
> The driver was checking if matching the OF node with the driver's OF table
> was failing, but this doesn't make too much sense since this can't happen
> in practice. The fact the probe function was called, means OF registered a
> device with a valid compatible string so a of_device_get_match_data() call
> will always succeed. So just remove this unneeded check.
> 
> Signed-off-by: Javier Martinez Canillas <javier@....samsung.com>
> Acked-by: Laxman Dewangan <ldewangan@...dia.com>
> 
> ---
> 
> Changes in v2:
> - Add Laxman's Acked-by tag to patch 2/4.
> - Mention in commit message that an unneeded check for match is removed.
> 
>  drivers/mfd/max77686.c | 9 ++-------
>  1 file changed, 2 insertions(+), 7 deletions(-)

Reviewed-by: Krzysztof Kozlowski <krzk@...nel.org>
Tested-by: Krzysztof Kozlowski <krzk@...nel.org>

Best regards,
Krzysztof